assertTrue(session.isInUse(), "Session should be in use initially");
        try (SmbSessionImpl autoSession = session) {
            // Session is already in use due to transport acquisition
            assertTrue(autoSession.isInUse(), "Session should be in use");
        }

        // Session should be automatically released
        assertFalse(session.isInUse(), "Session should be released after try-with-resources");

        Mockito.reset(session, transport, tree);
    }

    // Happy path: isInUse returns the mocked state
    @ParameterizedTest
    @DisplayName("isInUse reflects current mocked state")
    @ValueSource(booleans = { true, false })
    void isInUse_variants(boolean inUse) {
        when(session.isInUse()).thenReturn(inUse);

        boolean result = session.isInUse();

        assertEquals(inUse, result);

        assertEquals("EXAMPLE", session.getTargetDomain());
        assertEquals("server.example", session.getTargetHost());
        assertTrue(session.isInUse(), "New session starts in-use (usageCount=1)");

        // Transport and context delegation
        assertSame(cifsContext, session.getContext());
        clearInvocations(transport);

 */
public interface SmbSessionInternal extends SmbSession {

    /**
     * Determines whether this session is currently in use.
     *
     * @return whether the session is in use
     */
    boolean isInUse();

    /**
     * Returns the current session key used for signing and encryption.
     *
     * @return the current session key
     * @throws CIFSException if the session key cannot be retrieved
     */

     */
    public String getTargetHost() {
        return this.targetHost;
    }

    /**
     * @return whether the session is in use
     */
    @Override
    public boolean isInUse() {
        return this.usageCount.get() > 0;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbSession#unwrap(java.lang.Class)
     */
    @SuppressWarnings("unchecked")

            iter = this.sessions.listIterator();
            while (iter.hasNext()) {
                final SmbSessionImpl ssn = iter.next();
                if (ssn.getExpiration() != null && ssn.getExpiration() < now && !ssn.isInUse()) {
                    if (log.isDebugEnabled()) {
                        log.debug("Closing session after timeout " + ssn);
                    }
                    ssn.logoff(false, false);
                }